D:/opendownloadmanager/ODM-1.x/Include.Add/archive/IStream.h Source File

00001 /*
00002   Free Download Manager Copyright (c) 2003-2007 FreeDownloadManager.ORG
00003 */    
00004 
00005 #ifndef __ISTREAM_H
00006 #define __ISTREAM_H
00007 
00008 #include "MyUnknown.h"
00009 #include "Types.h"    
00010 
00011 #define STREAM_INTERFACE_SUB(i, b, x) \
00012 DEFINE_GUID(IID_ ## i, \
00013 0x23170F69, 0x40C1, 0x278A, 0x00, 0x00, 0x00, 0x03, 0x00, x, 0x00, 0x00); \
00014 struct i: public b
00015 
00016 #define STREAM_INTERFACE(i, x) STREAM_INTERFACE_SUB(i, IUnknown, x)
00017 
00018 STREAM_INTERFACE(ISequentialInStream, 0x01)
00019 {
00020   STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize) PURE;
00021   
00022 };
00023 
00024 STREAM_INTERFACE(ISequentialOutStream, 0x02)
00025 {
00026   STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize) PURE;
00027   
00028 };
00029 
00030 STREAM_INTERFACE_SUB(IInStream, ISequentialInStream, 0x03)
00031 {
00032   STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition) PURE;
00033 };
00034 
00035 STREAM_INTERFACE_SUB(IOutStream, ISequentialOutStream, 0x04)
00036 {
00037   STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition) PURE;
00038   STDMETHOD(SetSize)(Int64 newSize) PURE;
00039 };
00040 
00041 STREAM_INTERFACE(IStreamGetSize, 0x06)
00042 {
00043   STDMETHOD(GetSize)(UInt64 *size) PURE;
00044 };
00045 
00046 STREAM_INTERFACE(IOutStreamFlush, 0x07)
00047 {
00048   STDMETHOD(Flush)() PURE;
00049 };
00050 
00051 #endif